{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:LOGYLSZKVUTE6T7PMKRUOEKYXV","short_pith_number":"pith:LOGYLSZK","canonical_record":{"source":{"id":"2309.10333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-19T05:35:39Z","cross_cats_sorted":["physics.app-ph","physics.ins-det"],"title_canon_sha256":"bc2d6227288e0174ab003ebcabe845642f9b32222ded20d38e8c66d7bb580ae9","abstract_canon_sha256":"97db7ed76c08880430fe786c236b86c3febfc1564909f37695c292bb80b5153b"},"schema_version":"1.0"},"canonical_sha256":"5b8d85cb2aad264f4fef62a3471158bd718a44ad2195568f4eb74a013d4222ed","source":{"kind":"arxiv","id":"2309.10333","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.10333","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"arxiv_version","alias_value":"2309.10333v1","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.10333","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"pith_short_12","alias_value":"LOGYLSZKVUTE","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"pith_short_16","alias_value":"LOGYLSZKVUTE6T7P","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"pith_short_8","alias_value":"LOGYLSZK","created_at":"2026-07-05T06:52:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:LOGYLSZKVUTE6T7PMKRUOEKYXV","target":"record","payload":{"canonical_record":{"source":{"id":"2309.10333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-19T05:35:39Z","cross_cats_sorted":["physics.app-ph","physics.ins-det"],"title_canon_sha256":"bc2d6227288e0174ab003ebcabe845642f9b32222ded20d38e8c66d7bb580ae9","abstract_canon_sha256":"97db7ed76c08880430fe786c236b86c3febfc1564909f37695c292bb80b5153b"},"schema_version":"1.0"},"canonical_sha256":"5b8d85cb2aad264f4fef62a3471158bd718a44ad2195568f4eb74a013d4222ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:52:10.396340Z","signature_b64":"3yEr52sPS70zxy1PFJogj7ViOqyaATsAR/HZ76pnM82wU9S5J7LEHVdyjNmn4BtbPhtsESq0ksXjmfq70Wm4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b8d85cb2aad264f4fef62a3471158bd718a44ad2195568f4eb74a013d4222ed","last_reissued_at":"2026-07-05T06:52:10.395814Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:52:10.395814Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.10333","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:52:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V06CH8t3f1iXGlogo57/QZYFRi8zOrfOyjtUga7M+B4tHKomPmLWq+UIKykfaFovi4UjvZ2iO8fNIwQT/tL1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:29:59.817273Z"},"content_sha256":"f47176a99cd8c6bf2d3b9386f70e124a3aed8857b638851a03772349c76fe91e","schema_version":"1.0","event_id":"sha256:f47176a99cd8c6bf2d3b9386f70e124a3aed8857b638851a03772349c76fe91e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:LOGYLSZKVUTE6T7PMKRUOEKYXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"QubiC 2.0: An Extensible Open-Source Qubit Control System Capable of Mid-Circuit Measurement and Feed-Forward","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.ins-det"],"primary_cat":"quant-ph","authors_text":"Abhi Rajagopala, David I. Santiago, Gang Huang, Irfan Siddiqi, Kasra Nowrouzi, Neelay Fruitwala, Ravi K. Naik, Yilun Xu","submitted_at":"2023-09-19T05:35:39Z","abstract_excerpt":"Researchers manipulate and measure quantum processing units via the classical electronics control system. We developed an open-source FPGA-based quantum bit control system called QubiC for superconducting qubits. After a few years of qubit calibration and testing experience on QubiC 1.0, we recognized the need for mid-circuit measurements and feed-forward capabilities to implement advanced quantum algorithms effectively. Moreover, following the development of RFSoC technology, we upgraded the system to QubiC 2.0 on an Xilinx ZCU216 evaluation board and developed all these enriched features. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.10333","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.10333/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:52:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uX1KsdEPahW+9I1i45XsTvaBOHx/ho7tTupw3lYRl4YxdIW9GRZgRrK8sPnb3miBbW3Gw76HyfFJvYHjeg1cAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:29:59.817804Z"},"content_sha256":"02bf7015a2c72cbcd814adc38cfeb431bebae677b4055851edcea88191ea13da","schema_version":"1.0","event_id":"sha256:02bf7015a2c72cbcd814adc38cfeb431bebae677b4055851edcea88191ea13da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOGYLSZKVUTE6T7PMKRUOEKYXV/bundle.json","state_url":"https://pith.science/pith/LOGYLSZKVUTE6T7PMKRUOEKYXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOGYLSZKVUTE6T7PMKRUOEKYXV/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-08T04:29:59Z","links":{"resolver":"https://pith.science/pith/LOGYLSZKVUTE6T7PMKRUOEKYXV","bundle":"https://pith.science/pith/LOGYLSZKVUTE6T7PMKRUOEKYXV/bundle.json","state":"https://pith.science/pith/LOGYLSZKVUTE6T7PMKRUOEKYXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOGYLSZKVUTE6T7PMKRUOEKYXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LOGYLSZKVUTE6T7PMKRUOEKYXV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"97db7ed76c08880430fe786c236b86c3febfc1564909f37695c292bb80b5153b","cross_cats_sorted":["physics.app-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-19T05:35:39Z","title_canon_sha256":"bc2d6227288e0174ab003ebcabe845642f9b32222ded20d38e8c66d7bb580ae9"},"schema_version":"1.0","source":{"id":"2309.10333","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.10333","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"arxiv_version","alias_value":"2309.10333v1","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.10333","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"pith_short_12","alias_value":"LOGYLSZKVUTE","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"pith_short_16","alias_value":"LOGYLSZKVUTE6T7P","created_at":"2026-07-05T06:52:10Z"},{"alias_kind":"pith_short_8","alias_value":"LOGYLSZK","created_at":"2026-07-05T06:52:10Z"}],"graph_snapshots":[{"event_id":"sha256:02bf7015a2c72cbcd814adc38cfeb431bebae677b4055851edcea88191ea13da","target":"graph","created_at":"2026-07-05T06:52:10Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2309.10333/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Researchers manipulate and measure quantum processing units via the classical electronics control system. We developed an open-source FPGA-based quantum bit control system called QubiC for superconducting qubits. After a few years of qubit calibration and testing experience on QubiC 1.0, we recognized the need for mid-circuit measurements and feed-forward capabilities to implement advanced quantum algorithms effectively. Moreover, following the development of RFSoC technology, we upgraded the system to QubiC 2.0 on an Xilinx ZCU216 evaluation board and developed all these enriched features. Th","authors_text":"Abhi Rajagopala, David I. Santiago, Gang Huang, Irfan Siddiqi, Kasra Nowrouzi, Neelay Fruitwala, Ravi K. Naik, Yilun Xu","cross_cats":["physics.app-ph","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-19T05:35:39Z","title":"QubiC 2.0: An Extensible Open-Source Qubit Control System Capable of Mid-Circuit Measurement and Feed-Forward"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.10333","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:f47176a99cd8c6bf2d3b9386f70e124a3aed8857b638851a03772349c76fe91e","target":"record","created_at":"2026-07-05T06:52:10Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"97db7ed76c08880430fe786c236b86c3febfc1564909f37695c292bb80b5153b","cross_cats_sorted":["physics.app-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-09-19T05:35:39Z","title_canon_sha256":"bc2d6227288e0174ab003ebcabe845642f9b32222ded20d38e8c66d7bb580ae9"},"schema_version":"1.0","source":{"id":"2309.10333","kind":"arxiv","version":1}},"canonical_sha256":"5b8d85cb2aad264f4fef62a3471158bd718a44ad2195568f4eb74a013d4222ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b8d85cb2aad264f4fef62a3471158bd718a44ad2195568f4eb74a013d4222ed","first_computed_at":"2026-07-05T06:52:10.395814Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:52:10.395814Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3yEr52sPS70zxy1PFJogj7ViOqyaATsAR/HZ76pnM82wU9S5J7LEHVdyjNmn4BtbPhtsESq0ksXjmfq70Wm4CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:52:10.396340Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.10333","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f47176a99cd8c6bf2d3b9386f70e124a3aed8857b638851a03772349c76fe91e","sha256:02bf7015a2c72cbcd814adc38cfeb431bebae677b4055851edcea88191ea13da"],"state_sha256":"c9c69f7b2accbfe7747f81294fc20af658c7f9ff811a8bfe7c8a7b8fd411efe4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XnD2MBkSJ5iqQgSY1PEDD2g9UQslQ2AWeAMIro89y5nzRV72UR+3Y2pvQpGdXCjZfg7aqs0PzfTiTrKcNp1jDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T04:29:59.823434Z","bundle_sha256":"3d2e701a85bd742aae8211ee8441fc3789395efca5f4348a60f5ec43e59ffe10"}}